hh: Reset boost params to recommended values

 * Restore performance after recent changes

Change-Id: I1561fe109cbcb74708b2e35a65c6a816c38b994a
hh: Update power config

 * Disable cpubw_hwmon and use the standard msm_cpufreq governor. 8974v2
   is not ready for this and performance is lower.
 * Adjust paths for lpm_levels driver.

Change-Id: I1b8e0b1fae8a22b8585563c03345d9ffd0454f4f